class_studeng=input('')
list1=class_studeng.split()

list1 = [ int(x) for x in list1 ]
list2=[]
list3=[]
for i in range(list1[1]):
    cj=input('')
    list2=cj.split()
    print()





##    str1=list2[i]
  #  list3=str1.split()
## print(list3)






